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Incorporating Noise Effect in Damage Detection With a Curvature Based Method

 Incorporating Noise Effect in Damage Detection With a Curvature Based Method
Autor(en): , , ORCID
Beitrag für IABSE Conference: Bridges and Structures Sustainability - Seeking Intelligent Solutions, Guangzhou, China, 8-11 May 2016, veröffentlicht in , S. 506-513
DOI: 10.2749/222137816819258906
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Damage detection is essential for ensuing safety of bridges, and many damage detection methods have been developed in the past few years, which utilizes static or dynamic responses. In this paper, ...
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Bibliografische Angaben

Autor(en):

ORCID
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Conference: Bridges and Structures Sustainability - Seeking Intelligent Solutions, Guangzhou, China, 8-11 May 2016
Veröffentlicht in:
Seite(n): 506-513 Anzahl der Seiten (im PDF): 8
Seite(n): 506-513
Anzahl der Seiten (im PDF): 8
Jahr: 2016
DOI: 10.2749/222137816819258906
Abstrakt:

Damage detection is essential for ensuing safety of bridges, and many damage detection methods have been developed in the past few years, which utilizes static or dynamic responses. In this paper, a curvature-based method is proposed for damage detection. In order to verify its reliability and efficacy, laboratory experiment is conducted on a beam specimen, and the measured displacement is used to identify damage with the proposed method. Damage location and severity were both identified. Taking into account measurement noise, two techniques are proposed to reduce effect of measurement noise. The first one uses averaged multiple measurement, and the other one chooses reasonable interval for curvature calculation. They are both verified with the measurements from the laboratory test.